1. 打开新的窗口并传送参数:
U05;qKgkDF &"^F;z/ 传送参数:
Ca|egQv response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
/K#k_k S"cTi[9 接收参数:
m\56BP-AM string a = Request.QueryString("id");
*4}_2"[ string b = Request.QueryString("id1");
Co1d44Q VBX)xQazU 2.为按钮添加对话框
C^L+R7 Button1.Attributes.Add("onclick","return confirm(’确认?’)");
Wef%f]u button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
<rBW6o7 *%Rmdyn 3.删除表格选定记录
6kYluV+j int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
ZwkUd-=0i string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
Cz0FA]-g Ix- Mp
4.删除表格记录警告
J8qFdNK private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
XwY,xg&o {
N&HI)X2& switch(e.Item.ItemType)
>v]^nJl {
iH8we,s' case ListItemType.Item :
wXIRn?z case ListItemType.AlternatingItem :
7?*+,Fo# case ListItemType.EditItem:
i g(O$y TableCell myTableCell;
k =5k)}i myTableCell = e.Item.Cells[14];
5(+9a LinkButton myDeleteButton ;
'^UHY[mX8 myDeleteButton = (LinkButton)myTableCell.Controls[0];
0k
(- myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
Fi/iA%, break;
}bb,Iib default:
gXxi; g break;
<Ht"t]u*Bn }
?9`j1[0 1Gsh%0r3 }
2_q/<8t %e~xO x 5.点击表格行链接另一页
{<42PJtPY private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
d4| )= {
/j~~S'sw //点击表格打开
AY /9Io- if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
.KrLvic e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
?2]fE[SqY }
@7Ec(]yp f/)Y {kS6 双击表格连接到另一页
QP(0 y98FEG#S} 在itemDataBind事件中
(VeK7cU if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
^&qK\m_A {
,b*?7R string OrderItemID =e.item.cells[1].Text;
CD&a_-'z$K ...
$94lF~ e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
y\T$) XGV }
bo\ bs1 76l. {TXF 双击表格打开新一页
EpS/"adI-! if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
&;DCN {
y!b2;- Dp string OrderItemID =e.item.cells[1].Text;
I~&*^q6 | ...
2P"643tz e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
LKM018H> }
\lbH
>V"{]v ★特别注意:【?id=】 处不能为 【?id =】
L1SX2F8 6.表格超连接列传递参数
y\??cjWb] <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
|/Vq{gxp+ <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
eKiDc=@ 3~`P8 9 7.表格点击改变颜色
Y/sav; if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
'gY?=,dF> {
SY,ns*>1F e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
&]TniQH this.style.color=’buttontext’;this.style.cursor=’default’;");
bJ:5pBJ3 }
=Zj
7dn;EN hk?i0#7W 写在DataGrid的_ItemDataBound里
HZ9 >4G3 if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
{y"Kn'1 {
JLd%rM\m e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
nE]rPRU}[ this.style.color=’buttontext’;this.style.cursor=’default’;");
YuhfPa e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
n*\o. :f }
Ae2N"%Ej .q2r!B Bl+\|[yd 8.关于日期格式
uuM1_nD[ sVh)Ofn 日期格式设定
I#OZ:g^ DataFormatString="{0:yyyy-MM-dd}"
%Xc,l Y1? :W)lt28_ 我觉得应该在itembound事件中
Zf$mwRS[_ e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
:Racu;xf 3eUi9_s+ 9.获取错误信息并到指定页面
02,t >#h,q|B 不要使用Response.Redirect,而应该使用Server.Transfer
Yi9Y`~J ef'kG"1 e.g
[[[C`H@ // in global.asax
2bCfY\k protected void Application_Error(Object sender, EventArgs e) {
hJSvx if (Server.GetLastError() is HttpUnhandledException)
KH2]:&6:Q Server.Transfer("MyErrorPage.aspx");
6w%n$tiX `oMZ9Gq2E //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
aj4ZS }
Xm,fyk> g[~{iu_$d Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
y(DT^>0 CzlG#?kU?2 10.清空Cookie
(PPC?6s Cookie.Expires=[DateTime];
a<-aE4wdm Response.Cookies("UserName").Expires = 0
_n:RA)4* >a975R*g 11.自定义异常处理
\:@6(e Bh //自定义异常处理类
Wrp~OF0k using System;
y{M7kYWtHV using System.Diagnostics;
r1HG$^ Kb]}p namespace MyAppException
,~3rY,y- {
^P,Pj z /// <summary>
S/ oD` /// 从系统异常类ApplicationException继承的应用程序异常处理类。
XVNJK-B /// 自动将异常内容记录到Windows NT/2000的应用程序日志
3/gR}\= /// </summary>
+X#6dv$ public class AppException:System.ApplicationException
m^FKE: {
?n#$y@U public AppException()
#e.x]v: {
4Q!%16
P if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
3^P;mQ$p1 }
@:im/SE 53hX%{3 public AppException(string message)
&B5&:ib1D {
`a52{Wa LogEvent(message);
R?1Z[N }
v{$?Ow T/u TFOx=_.%i public AppException(string message,Exception innerException)
Wu6'm&t {
Lv@WI6DM
LogEvent(message);
UIU Pi
gd if (innerException != null)
m=n79]b:N {
0to`=;JI LogEvent(innerException.Message);
bj`GGxzOb }
KC"S06 }
l[~$9C'ji Jt}`oFQ5l //日志记录类
ktPM66`b using System;
z4
=OR@ h using System.Configuration;
} J?,?>Z using System.Diagnostics;
>-V632(/{o using System.IO;
z
8M\(< using System.Text;
n><ad*|MX using System.Threading;
HT/!+#W. +8xT}mX namespace MyEventLog
<',k%:t {
<b'*GBw$ /// <summary>
];CIo>
b_( /// 事件日志记录类,提供事件日志记录支持
eV%{XR?y /// <remarks>
auGK2i /// 定义了4个日志记录方法 (error, warning, info, trace)
BEax[=&W /// </remarks>
Cgln@Rz /// </summary>
K. B\F)K public class ApplicationLog
dfAw\7v/ {
l1kHFeq /// <summary>
<r <{4\%} /// 将错误信息记录到Win2000/NT事件日志中
p5qfv>E8) /// <param name="message">需要记录的文本信息</param>
&_]G0~e /// </summary>
^X6e\]yj public static void WriteError(String message)
#9s)f R {
{Y/0BS2D WriteLog(TraceLevel.Error, message);
#*rJI3 }
#yIHr&'oX u ]y[g /// <summary>
^O<'Qp,[: /// 将警告信息记录到Win2000/NT事件日志中
ogSDV /// <param name="message">需要记录的文本信息</param>
=p5]r:9W /// </summary>
_"x%s public static void WriteWarning(String message)
KC&XOI % {
p*<I_QM! WriteLog(TraceLevel.Warning, message);
4r83;3WXs }
P0; y X2I_,k'fQ /// <summary>
[(a3ljbRX /// 将提示信息记录到Win2000/NT事件日志中
..h@QQ /// <param name="message">需要记录的文本信息</param>
q.R(>ZcV /// </summary>
4pMp@b public static void WriteInfo(String message)
RSj8T< {
/tG as WriteLog(TraceLevel.Info, message);
S@!_{da }
q{G8Po$z' /// <summary>
}fk3a9j9u /// 将跟踪信息记录到Win2000/NT事件日志中
T}z? i /// <param name="message">需要记录的文本信息</param>
x] `F#5j /// </summary>
>&fD:y'& public static void WriteTrace(String message)
Kg~D~
+j {
Qu Mv1)n WriteLog(TraceLevel.Verbose, message);
G>:v1lde }
uX!6:v] O13]H"O_ /// <summary>
{/)i}V#RE /// 格式化记录到事件日志的文本信息格式
vN
v'%;L /// <param name="ex">需要格式化的异常对象</param>
H!0m8LCnb /// <param name="catchInfo">异常信息标题字符串.</param>
Z&?4<-@6\p /// <retvalue>
U/PNEGuQ /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
}|/A &c /// </retvalue>
Z # /// </summary>
6:S,
{@G public static String FormatException(Exception ex, String catchInfo)
MCTJ^ g"D {
D^>d<LX StringBuilder strBuilder = new StringBuilder();
Fs~*-R$ if (catchInfo != String.Empty)
x>mI$K(6M {
wQhu U strBuilder.Append(catchInfo).Append("\r\n");
lvODhoT }
/~s<@<1!X strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
'\d
ldg#P return strBuilder.ToString();
BUwL? }
0\"#Xa+}8 <uBRLe`) /// <summary>
huA?*fat /// 实际事件日志写入方法
x6JV@wA& /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
2gklGDJD /// <param name="messageText">要记录的文本.</param>
z&n2JpLY7 /// </summary>
;X]B0KFe7 private static void WriteLog(TraceLevel level, String messageText)
I)#8}[vK {
rSt5@f? try
'hWA&Xx+ {
` ;mQ"lO EventLogEntryType LogEntryType;
#hn switch (level)
R+ \% {
d0}(d Gl case TraceLevel.Error:
K"t? LogEntryType = EventLogEntryType.Error;
NAtDt= break;
ID`C case TraceLevel.Warning:
fBZLWfp9 LogEntryType = EventLogEntryType.Warning;
e(0cz6 break;
V:j^!* case TraceLevel.Info:
E<tR8='F LogEntryType = EventLogEntryType.Information;
Eo^m; p5 break;
"(W;rl
case TraceLevel.Verbose:
ha;fxM] LogEntryType = EventLogEntryType.SuccessAudit;
+1yi{!j1 break;
L ?;UcCB default:
Kyk{:UnI LogEntryType = EventLogEntryType.SuccessAudit;
G"m0[|XH break;
oB!Y)f6H1 }
UkD\ma [O ^/"Qk EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
d])ctxB //写入事件日志
e0TxJ* eventLog.WriteEntry(messageText, LogEntryType);
RLL
ph gCsN\z }
6
%aaK|0 catch {} //忽略任何异常
B*}]' }
VHqoa>U,* } //class ApplicationLog
l=T;hk }
|.RyF@N`T Q1|6;4L 12.Panel 横向滚动,纵向自动扩展
*p9)5 <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
X%<qHbKB, ed5oN^V.< 13.回车转换成Tab
_3%:m||,XP <script language="javascript" for="document" event="onkeydown">
Y)lr+~84f if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
><IWF#kUA event.keyCode=9;
IEm~^D#<= </script>
(||qFu9a 'ParMT onkeydown="if(event.keyCode==13) event.keyCode=9"
8Uh|V& SD*q+Si,1U 14.DataGrid超级连接列
PHT<]:"`< DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
6~ y' KC; o 15.DataGrid行随鼠标变色
[ /*;}NUv private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
;Qq_ {
r{d@74 if (e.Item.ItemType!=ListItemType.Header)
CeOA_M {
Go:(R {P e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
!nJl.Y$ e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
am3JzH }
#E=8kbD7 }
i"
u|119 i Pr(X 16.模板列
VfJ{);
<ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
A9SL|9Q <ITEMTEMPLATE>
n2-+.9cY <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
ami>Pp </ITEMTEMPLATE>
OW=3t#"7Kp </ASP:TEMPLATECOLUMN>
g8'8"9:xC "]p&7 <ASP:TEMPLATECOLUMN headertext="选中">
DFZ@q=ZT <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
w0nbL^f <ITEMTEMPLATE>
):tv V <ASP:CHECKBOX id="chkExport" runat="server" />
z]%@r 7 </ITEMTEMPLATE>
Jia@HrLR <EDITITEMTEMPLATE>
{Y-'i;j? <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
kk<%VKC </EDITITEMTEMPLATE>
qHe
H/e%`V </ASP:TEMPLATECOLUMN>
'^WR5P<8c saZK+kD4I 后台代码
[R8BcO( protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
r9bAbE
bI {
A0A|c JP //改变列的选定,实现全选或全不选。
W[`ybGR< CheckBox chkExport ;
52#
*{q} if( CheckAll.Checked)
+,R!el!o~u {
`%#_y67v foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
KLG .?`h: {
r8*xp\/ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
!WGQ34R { chkExport.Checked = true;
S/pU|zV[ }
TBJ?8W( }
euT=]j else
NRG~ya > {
?xMTO foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
!.V_?aYi8 {
O"TVxP: chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
N#-.[9! chkExport.Checked = false;
=bJ$>Djp }
}D)eS |B }
3I}AA.h'00 }
!~F oy F S{2;PaK 17.数字格式化
8'3&z-
E>*b,^J7g 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
a(O@E%|u <%#Container.DataItem("price","{0:¥#,##0.00}")%>
_a"|
:kX rDwd!Jet int i=123456;
[{xY3WS string s=i.ToString("###,###.00");
_'V o3b # Dgkl 18.日期格式化
yRyRH%p) 7u^wO< 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
x%@M*4:& GadY#]}( 显示为: 2004-8-11 19:44:28
V#b*:E.cA b9i_\ 我只想要:2004-8-11 】
B$s6|~ <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
a}VR>!b OraT$lV)_ 应该如何改?
N@k'
s W"#<r 【格式化日期】
RB""(< <T.R%Jys 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
<)O#Y76s ^qC.bv]& 【日期的验证表达式】
75R4[C6T og+Vrd A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
8aRmHy"9l ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
Bw`? zd\* !(Y|Vm' B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
:u=y7[I ^\d{4}[\-\/\s]?((((0[13578])|(1[02]))[\-\/\s]?(([0-2][0-9])|(3[01])))|(((0[469])|(11))[\-\/\s]?(([0-2][0-9])|(30)))|(02[\-\/\s]?[0-2][0-9]))$
Z(4/;v <CT j&A9
&+w 【大小写转换】
f]Aa$\@b HttpUtility.HtmlEncode(string);
j;j~R3B HttpUtility.HtmlDecode(string)
fWfhs}_
k8}'@w 19.如何设定全局变量
zTG1 0 +YCWoX2 Global.asax中
[.$%ti*! {#z47Rz Application_Start()事件中
u|ihUE!h 32J/ 添加Application[属性名] = xxx;
<daH0l0 O7Jp; 就是你的全局变量
=r`E%P: Eqny'44 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
%(?;` vft7-|8T HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
&];W#9"Z >c:nr&yP 【ASPNETMENU】点击菜单项弹出新窗口
F!C<^q~! Op9+5]XF 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
h=YTgJ <?xml version="1.0" encoding="GB2312"?>
<R2SV=]Sq# <MenuData ImagesBaseURL="images/">
i+I.>L/S <MenuGroup>
}L{GwiDMDl <MenuItem Label="内参信息" URL="Infomation.aspx" >
xQ?$H?5B< <MenuGroup ID="BBC">
qIzv|Nte <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
eK3d_bF+ <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
r`)'Kd ......
+\PLUOk *$('ous8 最好将你的aspnetmenu升级到1.2版
yswf2F V*%><r 21.读取DataGrid控件TextBox值
1)N# foreach(DataGrid dgi in yourDataGrid.Items)
8193d%Wb {
@1pfH\m TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
KV{ tb.Text....
#f=41d% }
0!:%Ge_ jM{5nRQ 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
4|eI_u{_ @Y9tkJIt 〖思归〗
5wvh
@Sc\ <asp:TemplateColumn HeaderText="数量">
9Z 6 <ItemTemplate>
(8W?ym <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
pF~aR]Q onkeyup="javascript:DoCal()"
}.=wQ_ />
R>[G6LOG 11A;z[Zk <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
g6SZ4WV </ItemTemplate>
sFgsEKs </asp:TemplateColumn>
8jky-r uAk>VPuuZ <asp:TemplateColumn HeaderText="单价">
?6MUyH]a <ItemTemplate>
9I1`* 0A <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
j{ri]?p onkeyup="javascript:DoCal()"
e<u~v0rDl />
Fb{HiU9<! 1[RI
07g7* <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
raP9rEs #xq|/JWs </ItemTemplate>
7.yCs[Z </asp:TemplateColumn>
hx~rq`{ J?&%fI <asp:TemplateColumn HeaderText="金额">
6LT.ng <ItemTemplate>
'J0Ea\,if0 <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
Fl==k </ItemTemplate>
`[_p,,}Ir </asp:TemplateColumn><script language="javascript">
T+5H2]yy) function DoCal()
ronZa0 {
E.x<J.[Y var e = event.srcElement;
`P;3,@
e var row = e.parentNode.parentNode;
=$kSn\L, var txts = row.all.tags("INPUT");
gb^'u if (!txts.length || txts.length < 3)
`7V'A return;
^NxKA'oWQ fzjtaH? var q = txts[txts.length-3].value;
7zNfq.Ni~ var p = txts[txts.length-2].value;
r8_MIGM' l>7?B2^<E if (isNaN(q) || isNaN(p))
|Yi_|']# return;
&c=
3BEh 4%jQHOZ q = parseInt(q);
cm>+f ^4?n p = parseFloat(p);
~^g*cA
t} %W2
o`W$ txts[txts.length-1].value = (q * p).toFixed(2);
S)^eHuXPI }
jyRz53 </script>
'z};tIOKJk c8o2* C$ 8(-N;<Ef2 # *7ImEN y(**F8>?xE 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
xUB{{8B:L page_load
bg*@N page.smartNavigation=true
SXV
f&8 }A<fCm7 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
7"])Y private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
G/_8xmsU {
]rO/IuB for(int i=0;i<e.Item.Cells.Count-1;i++)
VQ2B|v if(e.Item.ItemType==ListItemType.EditType)
o~'UWU'# {
//}KWz e.Item.Cells.Attributes.Add("Width", "80px")
.`h:1FP8 }
+L=a\8Ep }
pG$l
2cv=7!K4Uv 26.对话框
1z8fhE iiE private static string ScriptBegin = "<script language=\"JavaScript\">";
kl5Y{![/&f private static string ScriptEnd = "</script>";
RXhT{Ho(> d]^\qeG^p public static void ConfirmMessageBox(string PageTarget,string Content)
B}d)e_uLj {
,LDdL string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
#\O?|bN'q Gwfi ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
'R n\CMTH "A}2iI Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
pxQh;w ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
>6z7.d //Response.Write(strScript);
]Mgxv>zRbs }
h]^=
y.Q =#?=Lh 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
E@)9'?q ]7%+SH,RdD 1.1 取当前年月日时分秒
TmgSV#G currentTime=System.DateTime.Now;
J/A UOInh a+`;:tX, 1.2 取当前年
N6/;p]| int 年= DateTime.Now.Year;
wgKM6? $"{I|UFC 1.3 取当前月
^cI RP int 月= DateTime.Now.Month;
@9h6D<? g;</ |Z 1.4 取当前日
pIvr*UzY int 日= DateTime.Now.Day;
{9h`h08?z RV6|sN[x> 1.5 取当前时
@?[}\9dW int 时= DateTime.Now.Hour;
>m`<AynJ !4fT<V( 1.6 取当前分
Y^}c+)t int 分= DateTime.Now.Minute;
A}0u-W NS^+n4 1.7 取当前秒
<ta#2 int 秒= DateTime.Now.Second;
qoJ<e`h}
k<
g 1.8 取当前毫秒
RjG=RfB'V int 毫秒= DateTime.Now.Millisecond;
<Lfo5:. Qr*7bE(a 28.自定义分页代码:
C +S>;1 T |h'"3' 先定义变量 :
0"xD>ue& public static int pageCount; //总页面数
_!E/em public static int curPageIndex=1; //当前页面
d/` d:g T2MXwd&l 下一页:
- f%J_` if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
.Gnzu"lod {
kntn9G DataGrid1.CurrentPageIndex += 1;
uBxs`'C curPageIndex+=1;
P&9&/0r=_ }
k(3FT%p sKGR28e bind(); // DataGrid1数据绑定函数
n~v* Q`(h 上一页:
jR mo9Bb2 if(DataGrid1.CurrentPageIndex >0)
\Qe`>nA {
l=ZX9<3 DataGrid1.CurrentPageIndex += 1;
q
`^5< curPageIndex-=1;
IM&l%6[). }
4j-%I7 ?H(']3X5@ bind(); // DataGrid1数据绑定函数
t,R4q* ynG@/S6)K 直接页面跳转:
mu&%ph= int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
N#4"P:Sv rn%q*_3-o if(a<DataGrid1.PageCount)
LP5@ID2G {
Xe:e./@ this.DataGrid1.CurrentPageIndex=a;
hGlRf_{ }
~mu)Cw 7&
G#&d bind();
v
L!?4k f!+G1z}iA 29.DataGrid使用:
]sV) '- CC{{@
添加删除确认:
[[VB'Rs private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
6Bn%7ZBv {
Tq!.M1{& foreach(DataGridItem di in this.DataGrid1.Items)
s_Gf7uC {
jL9to6 Hmr if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
|s*tRag {
~ YCZvJ ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
o_&*?k* }
XXZ <r }
lc\f6J>HT }
nM6/c ;\)N7SJ 样式交替:
) E(9
R( ListItemType itemType = e.Item.ItemType;
WeRX ~ gC\^"m if (itemType == ListItemType.Item )
h(3ko
An {
D;WQNlTU e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
y?yWM8 e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
@DA.$zn& }
=/L;}m)7 else if( itemType == ListItemType.AlternatingItem)
$VyH2+ jC {
V[r1bF e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
.z&,d&E e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
<B3$ODGJp }
?9m@ S#@ Vrx3%_NkQ 添加一个编号列:
$WHmG!)* DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
LKe~ DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
t{RdqAF =6LF_=} for(int i=0;i<dt.Rows.Count;i++)
$g!~T!p= {
oBZzMTPe dt.Rows["number"]=(i+1).ToString();
i4^1bd }
UfAN)SE" 'r_NA!R DataGrid1.DataSource=dt;
]9/{ DataGrid1.DataBind();
15tT%TC $g+q;Y~i0 DataGrid1中添加一个CheckBox,页面中添加一个全选框
m*Q*{M_e private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
-iJ @K {
>pq= .)X} foreach(DataGridItem thisitem in DataGrid1.Items)
$ @Fvl-lK {
}E]&,[4&M ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
~AbTbQ3 }
H_<hZUB }
K~ShV z9)I@P" 将当前页面中DataGrid1显示的数据全部删除
L>Soj|WUy( foreach(DataGridItem thisitem in DataGrid1.Items)
RbGq$vYol/ {
&['cZ/bM if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
@Ap~Wok {
[
bB
string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
Dhy@!EOS Del (strloginid); //删除函数
vgvJ6$# }
`U[s d*C" }
?ta(`+" ej9|Y5D"S 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
X9oxni# J_ S]jE{ 在Application_Start中添加以下代码:
?,0 5!] Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
.S=^) AppSettings["ConnStr"].ToString();
qe"t0w|U? 7G<v<& 31. 变量.ToString()
uy^vQ/ "ZU CYYre 字符型转换 转为字符串
_yJAn\ 12345.ToString("n"); //生成 12,345.00
R#0Z 12345.ToString("C"); //生成 ¥12,345.00
b9gezXAcd 12345.ToString("e"); //生成 1.234500e+004
g(Dr/D 12345.ToString("f4"); //生成 12345.0000
^~Dmb2h 12345.ToString("x"); //生成 3039 (16进制)
5$w`m3>i( 12345.ToString("p"); //生成 1,234,500.00%
leSR2os slWO\AYiO 32、变量.Substring(参数1,参数2);
rfVHPMD0 P&0o~@`cL 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
I"1H]@"= mcB8xE 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
<>tQa5; <SCRIPT language="javascript">
\uTy\KA <!--
4Cl41a function gook(pws)
cun&'JOH?U {
7@*l2edXm+ frm.submit();
E=9xiS }
:xz,PeXo7 //-->
#ovmX ExDv7St1(k </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
!uwZ%Uxz <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
G$)f5_]7{ <tr>
>PBP:s1f4> <td>
eVy> <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
$x'p+&n\ <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
!QTfQ69Y0 <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
;@R=CQ6 2GRdfX <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
qB0F9[U <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
ToVi; ;&N=t64" </td>
vL,:Yn@b &+v!mw > </tr>
#uzp <*4BT}r,^2 </form>
BD(Y=g >.)m|, 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
:g`j
gn0 ][IEzeI_LN 下面是获取用户输入的登陆信息的代码:
)* \N[zm string name;
m\hzQ9 name=Request.QueryString["EmailName"];
?Dr K2;q --}5%6 try
" A}S92 {
X5hamkM*m int a=name.IndexOf("@",0,name.Length);
f*ICZM f_user.Value=name.Substring(0,a);
O^+H:Y| f_domain.Value=name.Substring(a+1,name.Length-(a+1));
yD-L:)@" f_pass.Value=Request.QueryString["Psw"];
C=&rPUX{ }
UHh7x%$n ipThwp9 catch
,sqxxq {
v3ky;~ke Script.Alert("错误的邮箱!");
OdrnPo{ Server.Transfer("index.aspx");
?{Rv/np=F }